<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<window title="Mozilla Bug 449780" onload="doTheTest()"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <hbox id="parent">
  </hbox>

  <!-- test code goes here -->
  <script type="application/javascript"><![CDATA[
    var imports = [ "SimpleTest", "is", "isnot", "ok", "onerror" ];
    for (var name of imports) {
      window[name] = window.opener.wrappedJSObject[name];
    }

    function $(id) {
      return document.getElementById(id);
    }

    function addBrowser(parent, id, width, height) {
      var b =
        document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "browser");
      b.setAttribute("type", "content");
      b.setAttribute("id", id);
      b.setAttribute("width", width);
      b.setAttribute("height", height);
      $(parent).appendChild(b);
    }
    addBrowser("parent", "f1", 300, 200);
    addBrowser("parent", "f2", 300, 200);

    /** Test for Bug 449780 **/
    var doc1 = "data:text/html,<html><body>This is a test</body></html>";
    var doc2 = "data:text/html,<html><body>This is a second test</body></html>";

    function getDOM(id) {
      return $(id).contentDocument.documentElement.innerHTML;
    }

    var tester = (function() {
      var origDOM = getDOM("f1");
      $("f1").contentDocument.body.textContent = "Modified";
      var modifiedDOM = getDOM("f1");
      isnot(origDOM, modifiedDOM, "DOM should be different");
      $("f1").contentWindow.location.href = doc2;
      yield undefined;

      $("f1").goBack();
      yield undefined;

      is(getDOM("f1"), modifiedDOM, "Should have been bfcached");
      $("f1").goForward();
      yield undefined;

      // Ignore the notifications during swap
      $("f1").removeEventListener("pageshow", testDriver, false);
      $("f1").swapDocShells($("f2"));
      $("f2").addEventListener("pageshow", testDriver, false);
      $("f2").goBack();
      yield undefined;

      is(getDOM("f2"), origDOM, "Should have not have been bfcached");
      window.close();
      SimpleTest.finish();
      yield undefined;
    })();

    function testDriver() {
      setTimeout(function() { tester.next() }, 0);
    }

    function doTheTest() {
      $("f1").addEventListener("pageshow", testDriver, false);
      $("f1").setAttribute("src", doc1);
    }
  ]]></script>
</window>
